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Write and balance the molecular equation and then give ionic and net ionic equations for the neutralization reaction between Ba(OH)2(aq) and HF(aq). Assume the salt formed in this neutralization reaction is insoluble.
Molecular equation:
→
Include the phase abbreviations.
Ionic equation:
Net ionic equation:
A certain reaction requires 80 minutes to reach completion in refluxing diethyl ether (bp 35 deg C). Estimate the reflux time required if the reaction is run in tetrahydrofuran (bp 65 deg C).
A 45.0g sample of an alloy was heated to 90.0C and then droped into a beaker containing 82.0g of water at 23.5C. The temperature of the water rose to a final 26.2C. What is the specific heat of the alloy
A typical frequency used by GSM cell phones is 611.0 MHz. What is the wavelength of this signal
Problem- Why is the potential of the anode reaction different than would be expected if the reaction occurred in an acidic medium
What is the concentration of a solution of silver nitrate if 50.0mL of the solution reacting with excess potassium chloride gives 10g of precipitate
You add 5.6 g iron to 28.20 mL of water and observe that the volume of iron and water together is 28.91 mL. Calculate the density of iron.
A calorimeter contains 27.0 mL of water at 11.0 C. When 2.10 g of X (a substance with a molar mass of 74.0 g/mol) is added, it dissolves via the reaction X{(s)}+H_2O{(l)} -> X{(aq)}
Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?
Frank and Oswalt report a molar absoptivity of 4700 L mol -1 cm-1 for the thiocyanatoriron(III) ion. What % T would you expect for a solutions that is 1.0x10-4 M in thiocyanatoiron(III) ion, if the path length is 1.00 cm
Cesium chloride crystallizes in a cubic unit cell with Cl- ions at the corners and a Cs ion in the center. 1. Count the numbers of positive and negative charges
At a certain temperature, reaction has equilibrium constant (Kc) of 1.9 x10^19. Determine the equlibrium constant for the reaction based on this information at the same temperature.
Complete each of the following double displacement reactions and predict if the products will exist as (aq) or (s). A) Hg2(NO3)2+LiI B) NH4NO3+Li2CO3 C) NaCl+Li3PO4 D) AgC2H3O2+Cu(NO3)2
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